[Scrum] NAVEEN S R - busio - 20210816

[Naveen S R]

1. What did I do for the past few days?

• Studing datasheet about the UART and cleared all my doubts regarding it.
• Made an outline for `pslab.bus.uart`.
• Made PR to support stop_bits, bits_per_word and parity in firmware.

2. What I plan to do today?

• I will implement set_mode for uart2 in pslab-firmware bootloader branch.
  

3. What is stopping me from doing my work?

      No blockage as of now.